Toshiba TXZ Family, Reference Manual

Page: 12 / 14

TXZ Family
Comparator
2017-10-11
12 / 14
Rev. 1.0
4.2. Detail of Comparator Register
[CMPCR] (Comparator Control Register)
4.2.1.
Bit Bit Symbol After reset Type Function
31
:
2 - 0 R Read as "0"
1 CMPISEL 0 R/W
Selection of analog input
0: AIN00
1: AIN01
0 CMPEN 0 R/W
COMP operation
0: Stop
1: Operating
4.3. Detail of Digital to Analog Converter Registers
[DA0CR] (Control Register)
4.3.1.
Bit Bit Symbol After Reset Type Function
31:1 - 0 R Read as “0”
0 EN 0 R/W
DAC operation
0: Stop
1: Operating
[DA0REG] (Converted Value Setting Register)
4.3.2.
Bit Bit Symbol After Reset Type Function
31:8 - 0 R Read as “0”
7:0 DAC[7:0] 0x00 R/W
Converted value setting:
Digital value corresponding to the analog output voltage value is
set. The output voltage is calculated with the following formula.
DAC0 = <DAC> × (VREFH - VREFL) / 256